https://github.com/brigade/overcommit

https://github.com/brigade/overcommit

How can I find broken symlinks

find . -type l ! -exec test -e {} \; -print

Find and delete files recursively in unix

recursively list files by extension

find ./ -type f | awk -F . '{print $NF}' | sort --unique

recursively list files by specific extension

find . -type f -iname "*.css" 

recursively delete them

find . -name "*.html" -type f -delete

Docker wordpress

mkdir wordpress
cd wordpress

touch docker-compose.yml
vi docker-compose.yml

version: '3.3'

services:
   db:
     image: mysql:5.7
     ports:
       - "3306:3306"
     volumes:
       - db_data:/var/lib/mysql
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: wordpress
       MYSQL_DATABASE: wordpress
       MYSQL_USER: wordpress
       MYSQL_PASSWORD: wordpress

   wordpress:
     depends_on:
       - db
     image: wordpress:latest
     ports:
       - "80:80"
     restart: always
     environment:
       WORDPRESS_DB_HOST: db:3306
       WORDPRESS_DB_USER: wordpress
       WORDPRESS_DB_PASSWORD: wordpress
volumes:
    db_data:



docker image prune --all
docker-compose restart
docker-compose build
docker-compose stop
docker-compose start
docker-compose up


sudo ufw enable
sudo ufw allow ssh
sudo ufw allow 80/tcp
sudo ufw allow 3306
sudo service ufw restart
sudo ufw status

Extending a Linux File System after Resizing the Volume

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html

Ubuntu open ports

Impossible to disable this...
sudo netstat -plunt

udp 3840 0 0.0.0.0:5353 0.0.0.0:* 24467/ --disk-cache

udp6    2304      0 :::5353                 :::*                                24467/ --disk-cache


chrome://flags/#device-discovery-notifications

chrome --disable-device-discovery-notifications

kill all docker

docker kill $(docker ps -q)